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Sodium thiosulfate

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Identification
Molecular formula
Na2S2O3
CAS number
7772-98-7
IUPAC name
disodium;dioxido-oxo-thioxo-lambda6-sulfane
State
State

At room temperature, sodium thiosulfate is typically found in a solid state as a crystalline powder. It is often available as a pentahydrate.

Melting point (Celsius)
48.30
Melting point (Kelvin)
321.45
Boiling point (Celsius)
100.00
Boiling point (Kelvin)
373.00
General information
Molecular weight
158.11g/mol
Molar mass
158.1100g/mol
Density
1.6670g/cm3
Appearence

Sodium thiosulfate typically appears as a colorless or white crystalline solid, often formed in pentahydrate form which is prone to efflorescence in dry air.

Comment on solubility

Solubility of Disodium Dioxido-Oxo-Thioxo-Lambda6-Sulfane

The compound disodium dioxido-oxo-thioxo-lambda6-sulfane exhibits particular solubility characteristics that are noteworthy:

  • Water Solubility: This compound is generally expected to be soluble in water due to the presence of sodium ions, which tend to ionize readily, enhancing solubility.
  • Solvent Behavior: In addition to water, disodium dioxido-oxo-thioxo-lambda6-sulfane may show varying degrees of solubility in polar organic solvents, given its chemical structure.
  • pH Dependence: The solubility can be influenced by the pH of the solution. Acidic conditions may lead to improved solubility due to protonation effects on the sulfur species within the compound.
  • Temperature Effects: Increasing the temperature often increases solubility in many compounds, and this may also apply here; however, specific measurements are necessary for precise assessments.

In summary, while the solubility of disodium dioxido-oxo-thioxo-lambda6-sulfane is favorable in water, factors such as solvent type, pH, and temperature play a crucial role in determining its overall solubility profile. Exploring these various conditions can lead to a better understanding of its practical applications in both laboratory and industrial settings.

Interesting facts

Interesting Facts about Disodium Dioxido-Oxo-Thioxo-Lambda6-Sulfane

Disodium dioxido-oxo-thioxo-lambda6-sulfane is a fascinating compound with some unique characteristics. Here are some interesting aspects that highlight its significance in the world of chemistry:

  • Structure and Bonding: This compound features a complex structure that includes multiple oxidation states of sulfur, which offers insight into the versatile chemistry of sulfur compounds.
  • Applications: Disodium dioxido-oxo-thioxo-lambda6-sulfane can be used in various fields including analytical chemistry and materials science, particularly for developing sensitive sensors.
  • Role in Biochemistry: Sulfur-containing compounds like this one often play critical roles in biological systems. They are involved in redox reactions and are essential in the function of various enzymes.
  • Environmental Impact: Understanding compounds like disodium dioxido-oxo-thioxo-lambda6-sulfane is crucial for environmental chemistry. They can help in the study of sulfur cycles and pollution mitigation.
  • Chemical Behavior: The presence of both thioxo and oxo functional groups in its structure suggests potential reactivity, making it a subject of interest for further research in novel chemical reactions.

In summary, disodium dioxido-oxo-thioxo-lambda6-sulfane is an exemplary representation of sulfur chemistry, showcasing the balance of reactivity and stability found in complex inorganic compounds. Its diverse applications and biological significance make it a noteworthy topic for study and exploration in both academic and practical chemistry domains.

Synonyms
SODIUM THIOSULFATE
7772-98-7
Sodium thiosulfate anhydrous
Disodium thiosulfate
Sodothiol
Hypo
Sodium thiosulfate, anhydrous
Sodium thiosulfate (Na2S2O3)
Sodium oxide sulfide (Na2S2O3)
disodium sulfurothioate
HSDB 592
UNII-L0IYT1O31N
EINECS 231-867-5
L0IYT1O31N
NSC 45624
Sodium oxide sulfide
AI3-01237
Ins no.539
anhydrous sodium thiosulfate
DISODIUM THIOSULPHATE
Ins-539
Sodium thiosulphate, anhydrous
sodium thiosulfate (anhydrous)
DTXSID9042417
CHEBI:132112
EC 231-867-5
E-539
SODIUM THIOSULFATE ANHYDROUS (II)
SODIUM THIOSULFATE ANHYDROUS [II]
sulfothiorine
Antichlor
Sodium hyposulfit
Cyanide Antidote Package
DTXCID4024197
DTXCID7022417
Thiosulfate, Sodium, Pentahydrate
sodium sulfurothioate hydrate (2:1:5)
SODIUM THIOSULFATE COMPONENT OF NITHIODOTE
231-867-5
dtxsid6044197
na2s2o3.5h2o
natrii thiosulfas
nithiodote component sodium thiosulfate
nsc45624
pedmark
s-hydril
sodium hyposulfate
sodium hyposulfite
sodium sulfurothioate--water (1/5)
sodium thiosulfate (ep monograph)
sodium thiosulfate (ii)
sodium thiosulfate (usp monograph)
sodium thiosulfate (usp-rs)
sodium thiosulphate anhydrous
sodium thiosulphate pentahydrate
sulfactol
sodiumthiosulfate
Chlorine Control
Thiosulfuric acid, disodium salt
MFCD00003499
Na2S2O3
Thiosulfuric acid (H2S2O3), disodium salt
Sodothiol; Sulfactol; Sulfothiorine
Chlorine Cure
Declor-It
Hypo (VAN)
Na2O3S2
sodium thiosulfat
sodium thio-sulfate
Hypo alcohol, in ethanol
SODIUM THIOSULFATE [MI]
CHEMBL3753202
sodium thiosulfate (medical use)
SODIUM THIOSULFATE [HSDB]
Sodium thiosulfate, AR, >=98%
Sodium thiosulfate, LR, >=97%
SODIUM THIOSULFATE [WHO-DD]
Sodium thiosulfate, p.a., 98.0%
AKOS015856704
AKOS016372312
FS43030
BP-21059
Sodium thiosulfate, ReagentPlus(R), 99%
O0522
D78333
Sodium thiosulfate solution 0.1mol/L (N/10)
Sodium thiosulfate, SAJ first grade, >=90.0%
disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane
Q339866
Sodium thiosulfate, >=99.99% trace metals basis
Sodium thiosulfate, Vetec(TM) reagent grade, 99%
Thiosulfuric acid (H2S2O3), sodium salt (1:2)
Sodium thiosulfate solution (2 g/dL in deionized water)
Sodium thiosulfate, anhydrous, Trace metals grade 99.99%
Sodium thiosulfate, purum p.a., anhydrous, >=98.0% (RT)